Erro ao tentar conectar no banco de dados via classe main, Banco GDB utilizando Firebird 2.0

Esse erro aparece quando executo meu projeto. (DeskTop)

javax.persistence.PersistenceException: org.hibernate.MappingException: Repeated column in mapping for entity: Class.ClCefidorto column: HANDLEORTO (should be mapped with insert=“false” update=“false”)

at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:737)

at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:121)

at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:51)

at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:33)

at DAO.ConexaoSingleton.(ConexaoSingleton.java:23)

at DAO.ConexaoSingleton.getConexao(ConexaoSingleton.java:30)

at DAO.CadastroDAO.ListaPaciente(CadastroDAO.java:28)

at teste.Main.main(Main.java:28)

Caused by: org.hibernate.MappingException: Repeated column in mapping for entity: Class.ClCefidorto column: HANDLEORTO (should be mapped with insert=“false” update=“false”)

at org.hibernate.mapping.PersistentClass.checkColumnDuplication(PersistentClass.java:652)

at org.hibernate.mapping.PersistentClass.checkPropertyColumnDuplication(PersistentClass.java:674)

at org.hibernate.mapping.PersistentClass.checkColumnDuplication(PersistentClass.java:696)

at org.hibernate.mapping.PersistentClass.validate(PersistentClass.java:450)

at org.hibernate.mapping.RootClass.validate(RootClass.java:192)

at org.hibernate.cfg.Configuration.validate(Configuration.java:1102)

at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1287)

at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:915)

at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:730)

… 7 more

java.lang.NullPointerException

at DAO.CadastroDAO.ListaPaciente(CadastroDAO.java:30)

at teste.Main.main(Main.java:28)

Exception in thread “main” DAO.DAOException: Nao foi possivel consultar Pessoa

at DAO.CadastroDAO.ListaPaciente(CadastroDAO.java:35)

at teste.Main.main(Main.java:28)

Caused by: java.lang.NullPointerException

at DAO.CadastroDAO.ListaPaciente(CadastroDAO.java:30)

… 1 more

Java Result: 1

public class Main {

/**
 * @param args the command line arguments
 */
public static void main(String[] args) throws DAOException {
    // TODO code application logic here

//        Cadastro c = new Cadastro();

//        <a href="//c.setIdcadastro">//c.setIdcadastro</a>(1);

//        c.setTexto(“Testess”);

//        CadastroDAO dao = new CadastroDAO();

CadastroDAO dao = new CadastroDAO();

List pacientes = dao.ListaPaciente();

System.out.println("Lista " + pacientes);

try {

<a href="//dao.salvar">//dao.salvar</a>©;

} catch (Exception ex) {

System.out.println("ERRO  " + ex.getMessage());

}

}

Classe de conexão

package DAO;

import javax.persistence.EntityManager;

import javax.persistence.EntityManagerFactory;

import javax.persistence.Persistence;

/**
*

@author Rafael

*/

public class ConexaoSingleton {

private static ConexaoSingleton conexao;

private EntityManager manager;

private EntityManagerFactory emf;

private ConexaoSingleton() throws Exception{

this.emf = Persistence.createEntityManagerFactory(“testePU”);//banco

this.manager = emf.createEntityManager();

}

public static EntityManager getConexao()throws Exception{

try{

if (conexao == null){

conexao = new ConexaoSingleton();

}

}catch(Exception ex){
     ex.printStackTrace();
     return null;  
 }
 return conexao.manager;

}

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